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Topcon AT-B2 Скачать руководство пользователя страница 4

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1. PRECAUTIONS FOR SAFE OPERATION

For the safe use of the product and prevention of injury
to operators and other persons as well as prevention of
property damage, items which should be observed are
indicated by an exclamation point within a triangle used
with WARNING and CAUTION statements in this
instruction manual.
The definitions of the indications are listed below. Be
sure you understand them before reading the manual's
main text.

Definition of Indication

C

WARNING

Ignoring this indication and
making an operation error
could possibly result in death or
serious injury to the operator.

C

CAUTION

Ignoring this indication and
making an operation error
could possibly result in minor
injury or property damage.

J

This symbol indicates items for which caution
(hazard warnings inclusive) is urged. Specific
details are printed in or near the symbol.

D

This symbol indicates items which are
prohibited. Specific details are printed in or
near the symbol.

I

This symbol indicates items which must
always be performed. Specific details are
printed in or near the symbol.

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Содержание AT-B2

Страница 1: ...AT B2 B3 B4 自動レベル AUTOMATIC LEVEL 取扱説明書 INSTRUCTION MANUAL FC10386 A011 01 ...

Страница 2: ...neral appearance of the instrument are subject to change without prior notice and without obligation by Topcon Corporation and may differ from those appear ing in this manual The content of this manual is subject to change without notice Illustrations appearing in this manual are of AT B2 Some of the diagrams shown in this manual may be simplified for easier understanding AT B2 B3 B4 AUTOMATIC LEV...

Страница 3: ...RUMENT 9 5 2 FOCUSSING AND SIGHTING 11 6 OPERATION 13 6 1 MEASURING HEIGHT DIFFERENCE 13 6 2 MEASURING HORIZONTAL ANGLE 15 6 3 MEASURING DISTANCE USING THE STADIA LINES 16 7 CHECKS AND ADJUSTMENTS 17 7 1 CIRCULAR LEVEL 17 7 2 AUTOMATIC COMPENSATOR 18 7 3 RETICLE CROSS LINE LINE OF SIGHT 19 8 STANDARD EQUIPMENT 21 9 OPTIONAL ACCESSORIES 23 10 SPECIFICATIONS 27 ...

Страница 4: ...n text Definition of Indication C WARNING Ignoring this indication and making an operation error could possibly result in death or serious injury to the operator C CAUTION Ignoring this indication and making an operation error could possibly result in minor injury or property damage J This symbol indicates items for which caution hazard warnings inclusive is urged Specific details are printed in o...

Страница 5: ...rying case make sure that all catches including the side catches are closed Failure to do so could result in the instrument falling out while being carried causing injury C CAUTION D Do not use the carrying case as a footstool The case is slippery and unstable so a person could slip and fall off it D Do not place the instrument in a case with a damaged catch or belt The case or instrument could be...

Страница 6: ...nstrument is mounted Failure to tighten the screws could result in the tripod collapsing causing injury D Do not carry the tripod with the tripod shoes pointed at other persons A person could be injured if struck by the tripod shoes E Keep hands and feet away from the tripod shoes when fixing the tripod in the ground A hand or foot stab wound could result E Tighten the leg fixing screws securely b...

Страница 7: ...o not use under thunderous weather conditions Staff is conductive and if struck by lightning death or injury could result E Handle with care when using near high voltage cables or transformers Staff is conductive and contact could result in electric shock ...

Страница 8: ...the case The lens requires special care Dust it off with a clean cloth first to remove tiny particles Then after providing a little condensation by breathing on the lens wipe it with a soft clean cloth or lens tissue To clean the instrument or carrying case lightly moisten a soft cloth in a mild detergent solution Wring out excess water until the cloth is slightly damp then carefully wipe the surf...

Страница 9: ...s due to any natural disaster earthquake storms floods etc fire accident or an act of a third party and or a usage under unusual conditions The manufacturer or its representatives assumes no responsibility for any damage and loss of profits due to a change of data loss of data an interruption of business etc caused by using the product or an unusable product The manufacturer or its representatives...

Страница 10: ... has been designed to allow stable surveying operations regardless of environmental conditions such as vibration and temperature changes The AT B2 B3 B4 has a simple horizontal circle for angle measurement and the stadia lines on the reticle can be used for approximate distance measurement The AT B2 B3 B4 is ideally suited for general survey work civil engineering and construction work The instrum...

Страница 11: ...djusting screw 5 Circular level 6 Leveling foot screw 7 Base plate 8 Horizontal fine motion screw 9 Objective lens 10 Focussing knob 11 Horizontal circle positioning ring 12 Horizontal circle window 13 Reticle adjusting screw cover 14 Eyepiece 2 1 The AT B4 has a gun sight 2 The AT B2 eyepiece is detachable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Страница 12: ...osed extend the tripod legs until the tripod head is roughly at eye level then re tighten the clamp screws 3 Spread the tripod legs so that the leg tips form a regular triangle on the ground 4 Make sure that the tripod head is approximately level Fix the tripod shoes firmly into the ground 5 1 SETTING UP THE INSTRUMENT ...

Страница 13: ... spherical head tripod slightly loosen the centering screw hold the base plate in both hands and slide it across the tripod head until the bubble is in the proximity of the circular level 7 Tighten the centering screw 8 Adjust the leveling foot screws until the bubble is exactly centered in the center circle ...

Страница 14: ...orizontal fine motion screw to center the target in the field of view Turn the focussing knob to focus on the target Focussing is coarse while the AT B2 focussing knob feels heavy to rotate Rotating in the reverse direction less heavy will give a fine focussing motion 4 Looking through the telescope shift your eyes slightly in the horizontal and vertical directions 5 2 FOCUSSING AND SIGHTING ...

Страница 15: ...e preparations for measurement are complete If there is parallax repeat the above procedure from step 2 in order to refocus the reticle If there is parallax measurement errors may result so make sure to adequately focus the target Use the lens hood AT B2 only in strong light conditions ...

Страница 16: ...more accurate measurement set the instrument as close to halfway as possible to eliminate errors due to sighting axis misalignment 2 Position the staff vertically at point A Take the reading a backsight on the staff at point A 3 Then sight the staff at point B and obtain the reading b foresight 4 The difference a b is the height difference h of B from A Example h a b 1 735m 1 224m 0 511m 6 1 MEASU...

Страница 17: ...er of sections and determine the height difference of each section 2 The height difference between points A and B is the total of the height differences of all the sections The general formula is Altitude of the required point altitude of known point total of backsight values total of foresight values This simple leveling technique has no error check It is better to measure from A to B and back to...

Страница 18: ...ghting is performed from left to right 1 Use the plumb bob to set up the instrument directly above the survey point 2 Sight point A and set the horizontal circle to 0 by turning the horizontal circle positioning ring 3 Sight point B and take the angle reading Example 91 5 or 91 5 gon in the figure below 6 2 MEASURING HORIZONTAL ANGLE ...

Страница 19: ...and count the number of centimeters l between the two stadia lines 2 This number is equivalent to the distance in meters between the staff and the instrument Example If the length l is 32 cm the horizontal distance from the instrument center A to the staff B is 32 m 6 3 MEASURING DISTANCE USING THE STADIA LINES ...

Страница 20: ... by adjusting the leveling foot screws 4 Eliminate the remaining half shift with the circular level adjusting screws using the hexagonal wrench 5 Turn the instrument 180 or 200 gon If the bubble remains in the circle adjustment is complete 7 1 CIRCULAR LEVEL If the bubble is inside the circle no adjustment is necessary If the bubble shifts from within the circle adjust as follows ...

Страница 21: ...ck the movement of the horizontal cross line Another method is to tap the tripod legs or the main body while sighting a clear target 7 2 AUTOMATIC COMPENSATOR If the automatic compensator mechanism is working normally the cross line should bounce then immediately return to the original position It is advisable to check the movement of the automatic compensator before use ...

Страница 22: ...1 and b1 2 Set the instrument at a point 2 m from point A Take readings a2 and b2 Leave the telescope sighted on point B Calculate b2 a2 a1 b1 If b2 b2 the horizontal cross line is normal and no adjustment is necessary When b2 and b2 are different adjust the cross line as follows 7 3 RETICLE CROSS LINE LINE OF SIGHT ...

Страница 23: ...UIPMENT In the example shown in step 2 b2 is larger than b2 The horizontal line needs to be lowered To lower the horizontal line carefully loosen the adjusting screw by a small amount using the adjusting pin To raise the horizontal line tighten the adjusting screw 5 Repeat steps 1 and 2 of the adjustment procedure until the difference between b2 and b2 is small ...

Страница 24: ... STANDARD EQUIPMENT AT B2 Packing layout 1 Main unit 1 2 Plumb bob 1 3 Hexagonal wrench 1 4 Adjusting pin 2 5 Instruction manual 1 6 Vinyl cover 1 7 Cleaning cloth 1 8 Lens cap 1 2 3 4 1 5 6 8 7 Case SE35A ...

Страница 25: ...MENT 22 AT B3 B4 Packing layout 1 Main unit 1 2 Plumb bob 1 3 Hexagonal wrench 1 4 Adjusting pin 2 5 Instruction manual 1 6 Vinyl cover 1 7 Cleaning cloth 1 8 Lens cap 1 18 16 15 14 19 20 17 2 3 4 5 6 7 8 1 Case SE49A ...

Страница 26: ...itch the unit on and adjust the brightness using the knob OPTICAL MICROMETER OM5 AT B2 only The detachable optical micrometer OM5 is available for high precision leveling Turning the micrometer knob shifts the line of sight of the telescope vertically a maximum of 10 mm This micrometer shift can be displayed in 0 1 mm graduations Minimum sighting distance 1 m Use first order staves with 1 cm gradu...

Страница 27: ... Turn the micrometer knob to move the line of sight until the graduation mark on the staff comes to the middle point between the two wedge reticle lines for an accurate reading 3 Take the micrometer reading in the micrometer eyepiece One division corresponds to 0 1 mm 4 Adding the micrometer reading to the staff graduations reading gives the measurement value ...

Страница 28: ...ece DE16 DE22 is available for use in restricted viewing positions 1 To attach the DE16 remove the eyepiece by unscrewing to the left and screw in the diagonal eyepiece To attach the DE22 push it on to the reticle adjusting screw cover 2 Holding the base of the DE16 DE22 focus on the reticle by turning the eyepiece of the DE16 DE22 Perform focussing and sighting as described in 5 2 FOCUSSING AND S...

Страница 29: ...9 OPTIONAL ACCESSORIES 26 The AT B2 detachable eyepiece can also be replaced by the optional 40x eyepiece EL5 REMOVABLE EYEPIECE EL5 AT B2 only Increases the standard 32X image to 40X ...

Страница 30: ... 3 5 4 0 Minimum focus 0 3m 1ft Stadia ratio 1 100 Additive constant 0 Horizontal circle Diameter 103mm 4 1in Graduation 1 1gon Automatic compensator Range 15 Circular level Sensitivity 10 2mm Standard deviation for 1 km of double run leveling 0 7mm 0 03in 1 5mm 0 06in 2 0mm 0 08in With micrometer 0 5mm 0 02in Water resistance IPx6 IEC60529 2001 Operating temperature range 20 to 50 C 4 to 122 F St...

Страница 31: ...28 Size Width 130mm 5 12in Length 215mm 8 46in Height 140mm 5 51in 135mm 5 31in Weight 1 85kg 4 1 lbs 1 7kg 3 7 lbs ...

Страница 32: ...This is the mark of the Japan Sur veying Instruments Manufacturers Association ...

Страница 33: ...http www topcon co jp GLOBAL GATEWAY http global topcon com Please see the attached address list or the following website for contact addresses http www topcon co jp ...

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